An application created with Shiny library for R Studio
Visit http://bit.ly/detekce (unfortunately not working) for seeing it in action
I used some parts of these GISTS: https://gist.github.com/3980277 and https://gist.github.com/josefslerka/4360941
For further information (in Czech) visit: http://janmarsicek.posterous.com/detection-of-colors-shiny-application (not working neither)